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TTY: usb/u_serial, use tty from tty_port 

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2012-04-02 13:54:48 +02:00 committed by Greg Kroah-Hartman
parent 266e37efbc
commit 35f95fd7f2
1 changed files with 9 additions and 10 deletions
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19
drivers/usb/gadget/u_serial.c
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@ -98,7 +98,6 @@ struct gs_port {
spinlock_t port_lock; /* guard port_* access */ spinlock_t port_lock; /* guard port_* access */
struct gserial *port_usb; struct gserial *port_usb;
struct tty_struct *port_tty;
bool openclose; /* open/close in progress */ bool openclose; /* open/close in progress */
u8 port_num; u8 port_num;
@ -412,8 +411,8 @@ __acquires(&port->port_lock)
break; break;
} }
if (do_tty_wake && port->port_tty) if (do_tty_wake && port->port.tty)
tty_wakeup(port->port_tty); tty_wakeup(port->port.tty);
return status; return status;
} }
@ -435,7 +434,7 @@ __acquires(&port->port_lock)
struct tty_struct *tty; struct tty_struct *tty;
/* no more rx if closed */ /* no more rx if closed */
tty = port->port_tty; tty = port->port.tty;
if (!tty) if (!tty)
break; break;
@ -488,7 +487,7 @@ static void gs_rx_push(unsigned long _port)
/* hand any queued data to the tty */ /* hand any queued data to the tty */
spin_lock_irq(&port->port_lock); spin_lock_irq(&port->port_lock);
tty = port->port_tty; tty = port->port.tty;
while (!list_empty(queue)) { while (!list_empty(queue)) {
struct usb_request *req; struct usb_request *req;
@ -699,7 +698,7 @@ static int gs_start_io(struct gs_port *port)
/* unblock any pending writes into our circular buffer */ /* unblock any pending writes into our circular buffer */
if (started) { if (started) {
tty_wakeup(port->port_tty); tty_wakeup(port->port.tty);
} else { } else {
gs_free_requests(ep, head, &port->read_allocated); gs_free_requests(ep, head, &port->read_allocated);
gs_free_requests(port->port_usb->in, &port->write_pool, gs_free_requests(port->port_usb->in, &port->write_pool,
@ -793,7 +792,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
/* REVISIT maybe wait for "carrier detect" */ /* REVISIT maybe wait for "carrier detect" */
tty->driver_data = port; tty->driver_data = port;
port->port_tty = tty; port->port.tty = tty;
port->port.count = 1; port->port.count = 1;
port->openclose = false; port->openclose = false;
@ -879,7 +878,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
gs_buf_clear(&port->port_write_buf); gs_buf_clear(&port->port_write_buf);
tty->driver_data = NULL; tty->driver_data = NULL;
port->port_tty = NULL; port->port.tty = NULL;
port->openclose = false; port->openclose = false;
@ -1318,8 +1317,8 @@ void gserial_disconnect(struct gserial *gser)
gser->ioport = NULL; gser->ioport = NULL;
if (port->port.count > 0 || port->openclose) { if (port->port.count > 0 || port->openclose) {
wake_up_interruptible(&port->drain_wait); wake_up_interruptible(&port->drain_wait);
if (port->port_tty) if (port->port.tty)
tty_hangup(port->port_tty); tty_hangup(port->port.tty);
} }
spin_unlock_irqrestore(&port->port_lock, flags); spin_unlock_irqrestore(&port->port_lock, flags);